6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
135 lines
4.6 KiB
C++
135 lines
4.6 KiB
C++
//===- MultilibBuilder.h
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//-----------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_DRIVER_MULTILIBBUILDER_H
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#define LLVM_CLANG_DRIVER_MULTILIBBUILDER_H
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#include "clang/Driver/Multilib.h"
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namespace clang {
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namespace driver {
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/// This corresponds to a single GCC multilib, or a segment of one controlled
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/// by a command line flag. This class can be used to create a Multilib, and
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/// contains helper functions to mutate it before creating a Multilib instance
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/// with makeMultilib().
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class MultilibBuilder {
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public:
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using flags_list = std::vector<std::string>;
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private:
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std::string GCCSuffix;
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std::string OSSuffix;
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std::string IncludeSuffix;
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flags_list Flags;
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public:
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MultilibBuilder(StringRef GCCSuffix, StringRef OSSuffix,
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StringRef IncludeSuffix);
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/// Initializes GCCSuffix, OSSuffix & IncludeSuffix to the same value.
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MultilibBuilder(StringRef Suffix = {});
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/// Get the detected GCC installation path suffix for the multi-arch
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/// target variant. Always starts with a '/', unless empty
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const std::string &gccSuffix() const {
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assert(GCCSuffix.empty() ||
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(StringRef(GCCSuffix).front() == '/' && GCCSuffix.size() > 1));
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return GCCSuffix;
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}
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/// Set the GCC installation path suffix.
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MultilibBuilder &gccSuffix(StringRef S);
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/// Get the detected os path suffix for the multi-arch
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/// target variant. Always starts with a '/', unless empty
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const std::string &osSuffix() const {
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assert(OSSuffix.empty() ||
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(StringRef(OSSuffix).front() == '/' && OSSuffix.size() > 1));
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return OSSuffix;
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}
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/// Set the os path suffix.
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MultilibBuilder &osSuffix(StringRef S);
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/// Get the include directory suffix. Always starts with a '/', unless
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/// empty
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const std::string &includeSuffix() const {
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assert(IncludeSuffix.empty() || (StringRef(IncludeSuffix).front() == '/' &&
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IncludeSuffix.size() > 1));
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return IncludeSuffix;
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}
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/// Set the include directory suffix
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MultilibBuilder &includeSuffix(StringRef S);
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/// Get the flags that indicate or contraindicate this multilib's use
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/// All elements begin with either '-' or '!'
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const flags_list &flags() const { return Flags; }
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flags_list &flags() { return Flags; }
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/// Add a flag to the flags list
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/// \p Flag must be a flag accepted by the driver.
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/// \p Disallow defines whether the flag is negated and therefore disallowed.
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MultilibBuilder &flag(StringRef Flag, bool Disallow = false);
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Multilib makeMultilib() const;
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/// Check whether any of the 'against' flags contradict the 'for' flags.
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bool isValid() const;
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/// Check whether the default is selected
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bool isDefault() const {
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return GCCSuffix.empty() && OSSuffix.empty() && IncludeSuffix.empty();
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}
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};
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/// This class can be used to create a MultilibSet, and contains helper
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/// functions to add combinations of multilibs before creating a MultilibSet
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/// instance with makeMultilibSet().
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class MultilibSetBuilder {
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public:
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using multilib_list = std::vector<MultilibBuilder>;
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MultilibSetBuilder() = default;
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/// Add an optional Multilib segment
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MultilibSetBuilder &Maybe(const MultilibBuilder &M);
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/// Add a set of mutually incompatible Multilib segments
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MultilibSetBuilder &Either(const MultilibBuilder &M1,
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const MultilibBuilder &M2);
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MultilibSetBuilder &Either(const MultilibBuilder &M1,
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const MultilibBuilder &M2,
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const MultilibBuilder &M3);
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MultilibSetBuilder &Either(const MultilibBuilder &M1,
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const MultilibBuilder &M2,
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const MultilibBuilder &M3,
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const MultilibBuilder &M4);
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MultilibSetBuilder &Either(const MultilibBuilder &M1,
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const MultilibBuilder &M2,
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const MultilibBuilder &M3,
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const MultilibBuilder &M4,
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const MultilibBuilder &M5);
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MultilibSetBuilder &Either(ArrayRef<MultilibBuilder> Ms);
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/// Filter out those Multilibs whose gccSuffix matches the given expression
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MultilibSetBuilder &FilterOut(const char *Regex);
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MultilibSet makeMultilibSet() const;
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private:
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multilib_list Multilibs;
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};
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} // namespace driver
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} // namespace clang
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#endif // LLVM_CLANG_DRIVER_MULTILIBBUILDER_H
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